/*********************************************************************/ /* Copyright 2009, 2010 The University of Texas at Austin. */ /* All rights reserved. */ /* */ /* Redistribution and use in source and binary forms, with or */ /* without modification, are permitted provided that the following */ /* conditions are met: */ /* */ /* 1. Redistributions of source code must retain the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer. */ /* */ /* 2. Redistributions in binary form must reproduce the above */ /* copyright notice, this list of conditions and the following */ /* disclaimer in the documentation and/or other materials */ /* provided with the distribution. */ /* */ /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */ /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */ /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */ /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */ /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */ /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */ /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */ /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */ /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */ /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */ /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */ /* POSSIBILITY OF SUCH DAMAGE. */ /* */ /* The views and conclusions contained in the software and */ /* documentation are those of the authors and should not be */ /* interpreted as representing official policies, either expressed */ /* or implied, of The University of Texas at Austin. */ /*********************************************************************/ #define ASSEMBLER #include "common.h" #define N r3 #define X r4 #define INCX r5 #define Y r6 #define INCY r7 #define PRE r8 #define FZERO f0 #define STACKSIZE 96 PROLOGUE PROFCODE addi SP, SP, -STACKSIZE li r0, 0 stfd f14, 0(SP) stfd f15, 8(SP) stfd f16, 16(SP) stfd f17, 24(SP) stfd f18, 32(SP) stfd f19, 40(SP) stfd f20, 48(SP) stfd f21, 56(SP) stfd f22, 64(SP) stfd f23, 72(SP) stw r0, 80(SP) lfs FZERO, 80(SP) #ifdef F_INTERFACE LDINT N, 0(N) LDINT INCX, 0(INCX) LDINT INCY, 0(INCY) #endif slwi INCX, INCX, BASE_SHIFT slwi INCY, INCY, BASE_SHIFT fmr f1, FZERO fmr f2, FZERO fmr f3, FZERO fmr f4, FZERO fmr f5, FZERO fmr f6, FZERO fmr f7, FZERO li PRE, 3 * 16 * SIZE cmpwi cr0, N, 0 ble- LL(999) #ifdef F_INTERFACE cmpwi cr0, INCX, 0 bge+ LL(102) subi r0, N, 1 mullw r0, r0, INCX sub X, X, r0 .align 4 LL(102): cmpwi cr0, INCY, 0 bge+ LL(104) subi r0, N, 1 mullw r0, r0, INCY sub Y, Y, r0 .align 4 LL(104): #endif sub X, X, INCX sub Y, Y, INCY srawi. r0, N, 4 mtspr CTR, r0 beq- LL(150) LFDUX f8, X, INCX LFDUX f16, Y, INCY LFDUX f9, X, INCX LFDUX f17, Y, INCY LFDUX f10, X, INCX LFDUX f18, Y, INCY LFDUX f11, X, INCX LFDUX f19, Y, INCY LFDUX f12, X, INCX LFDUX f20, Y, INCY LFDUX f13, X, INCX LFDUX f21, Y, INCY LFDUX f14, X, INCX LFDUX f22, Y, INCY LFDUX f15, X, INCX LFDUX f23, Y, INCY bdz LL(120) .align 4 LL(110): FMADD f0, f8, f16, f0 LFDUX f8, X, INCX LFDUX f16, Y, INCY #ifdef PPCG4 dcbt X, PRE #endif FMADD f1, f9, f17, f1 LFDUX f9, X, INCX LFDUX f17, Y, INCY FMADD f2, f10, f18, f2 LFDUX f10, X, INCX LFDUX f18, Y, INCY #ifdef PPCG4 dcbt Y, PRE #endif FMADD f3, f11, f19, f3 LFDUX f11, X, INCX LFDUX f19, Y, INCY FMADD f4, f12, f20, f4 LFDUX f12, X, INCX LFDUX f20, Y, INCY #if defined(PPCG4) && defined(DOUBLE) dcbt X, PRE #endif FMADD f5, f13, f21, f5 LFDUX f13, X, INCX LFDUX f21, Y, INCY FMADD f6, f14, f22, f6 LFDUX f14, X, INCX LFDUX f22, Y, INCY #if defined(PPCG4) && defined(DOUBLE) dcbt Y, PRE #endif FMADD f7, f15, f23, f7 LFDUX f15, X, INCX LFDUX f23, Y, INCY FMADD f0, f8, f16, f0 LFDUX f8, X, INCX LFDUX f16, Y, INCY #ifdef PPCG4 dcbt X, PRE #endif FMADD f1, f9, f17, f1 LFDUX f9, X, INCX LFDUX f17, Y, INCY FMADD f2, f10, f18, f2 LFDUX f10, X, INCX LFDUX f18, Y, INCY #ifdef PPCG4 dcbt Y, PRE #endif FMADD f3, f11, f19, f3 LFDUX f11, X, INCX LFDUX f19, Y, INCY FMADD f4, f12, f20, f4 LFDUX f12, X, INCX LFDUX f20, Y, INCY #if defined(PPCG4) && defined(DOUBLE) dcbt X, PRE #endif FMADD f5, f13, f21, f5 LFDUX f13, X, INCX LFDUX f21, Y, INCY FMADD f6, f14, f22, f6 LFDUX f14, X, INCX LFDUX f22, Y, INCY #if defined(PPCG4) && defined(DOUBLE) dcbt Y, PRE #endif FMADD f7, f15, f23, f7 LFDUX f15, X, INCX LFDUX f23, Y, INCY bdnz LL(110) .align 4 LL(120): FMADD f0, f8, f16, f0 LFDUX f8, X, INCX LFDUX f16, Y, INCY FMADD f1, f9, f17, f1 LFDUX f9, X, INCX LFDUX f17, Y, INCY FMADD f2, f10, f18, f2 LFDUX f10, X, INCX LFDUX f18, Y, INCY FMADD f3, f11, f19, f3 LFDUX f11, X, INCX LFDUX f19, Y, INCY FMADD f4, f12, f20, f4 LFDUX f12, X, INCX LFDUX f20, Y, INCY FMADD f5, f13, f21, f5 LFDUX f13, X, INCX LFDUX f21, Y, INCY FMADD f6, f14, f22, f6 LFDUX f14, X, INCX LFDUX f22, Y, INCY FMADD f7, f15, f23, f7 LFDUX f15, X, INCX LFDUX f23, Y, INCY FMADD f0, f8, f16, f0 FMADD f1, f9, f17, f1 FMADD f2, f10, f18, f2 FMADD f3, f11, f19, f3 FMADD f4, f12, f20, f4 FMADD f5, f13, f21, f5 FMADD f6, f14, f22, f6 FMADD f7, f15, f23, f7 .align 4 LL(150): andi. r0, N, 15 mtspr CTR, r0 beq LL(999) .align 4 LL(160): LFDUX f8, X, INCX LFDUX f16, Y, INCY FMADD f0, f8, f16, f0 bdnz LL(160) .align 4 LL(999): FADD f0, f0, f1 FADD f2, f2, f3 FADD f4, f4, f5 FADD f6, f6, f7 FADD f0, f0, f2 FADD f4, f4, f6 FADD f1, f0, f4 lfd f14, 0(SP) lfd f15, 8(SP) lfd f16, 16(SP) lfd f17, 24(SP) lfd f18, 32(SP) lfd f19, 40(SP) lfd f20, 48(SP) lfd f21, 56(SP) lfd f22, 64(SP) lfd f23, 72(SP) addi SP, SP, STACKSIZE blr EPILOGUE